[dpdk-dev] [PATCH 03/17] net/virtio: add virtio 1.1 defines

Jens Freimann jfreimann at redhat.com
Fri Mar 16 16:21:06 CET 2018


Signed-off-by: Jens Freimann <jfreimann at redhat.com>
---
 drivers/net/virtio/virtio_ring.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index fc45e34..6eb0077 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -17,6 +17,12 @@
 /* This means the buffer contains a list of buffer descriptors. */
 #define VRING_DESC_F_INDIRECT   4
 
+#define VIRTQ_DESC_F_AVAIL     7
+#define VIRTQ_DESC_F_USED      15
+#define DESC_USED (1ULL << VIRTQ_DESC_F_USED)
+#define DESC_AVAIL (1ULL << VIRTQ_DESC_F_AVAIL)
+
+
 /* The Host uses this in used->flags to advise the Guest: don't kick me
  * when you add a buffer.  It's unreliable, so it's simply an
  * optimization.  Guest will still kick if it's out of buffers. */
-- 
1.8.3.1



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